And back to the Stone Age we go (again)!
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galathaea schreef
There are certainly plants with two cotyledons which more properly should
be systematically related with the monocots and vice versa.

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IIRC monocots have 0-2 cotyledons and dicots 2-6.
The idea of dicots as a natural group is being abandoned.
It may be that the eudicots do have always two cotyledons, I would have to
check.
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However, I was merely attempting to point out what is still a useful
classification of form over large classes of flowering plants.

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There are other more useful characters
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